#3851C5#3851C5

#3851C5 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.183 H 269.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3851C5
RGB	rgb(56, 81, 197)
HSL	hsl(229, 56%, 50%)
HSV	hsv(229, 72%, 77%)
CMYK	cmyk(71.6%, 58.9%, 0%, 22.7%)
CIE-LAB	lab(39.17, 30.29, -63.31)
CIE-LCH	lch(39.17, 70.18, 295.57°)
OKLab	oklab(48.72% -0.0026 -0.1826)
OKLCH	oklch(48.72% 0.183 269.2)
XYZ	xyz(14.6479, 10.7553, 54.1165)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851C5 #C5AC38

analogous

#3897C5 #3851C5 #6638C5

triadic

#3851C5 #C53851 #51C538

tetradic

#3851C5 #C53897 #C5AC38 #38C566

square

#3851C5 #C53897 #C5AC38 #38C566

split-complementary

#3851C5 #C56638 #97C538

monochromatic

#1D2A66 #2A3D95 #3851C5 #677AD4 #96A3E1

Accessibility & contrast

On white

6.66

#3851C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3851C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851C5

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851C5	#FFFFFF	#000000	##FFFFFF
##3851C5	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C9

Deuteranopia (green-blind)

#0056C3

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3851c5;
/* rgb */ color: rgb(56, 81, 197);
/* oklch */ color: oklch(48.7% 0.183 269.2);

Tailwind

colors: {
  custom: {
    50: '#8181d7',
    500: '#3851c5',
    950: '#000000',
  },
}

SCSS

$custom: #3851c5;
$custom-light: #8181d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3851c5",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 197
  },
  "hsl": {
    "h": 229.362,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4872,
    "c": 0.18266,
    "h": 269.2
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#3851C5

secondary

#CDC18C

accent

#C449DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3851C5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →